From 547ac421995860f99d1d0803c3c1e7ea51dc681e Mon Sep 17 00:00:00 2001
From: "Guillaume J. Charmes" <guillaume.charmes@docker.com>
Date: Fri, 7 Feb 2014 00:44:14 +0000
Subject: [PATCH] Add Freebsd client support

Docker-DCO-1.1-Signed-off-by: Guillaume J. Charmes <guillaume.charmes@docker.com> (github: creack)
---
 pkg/term/termios_bsd.go | 67 +++++++++++++++++++++++++++++++++++++++++
 utils/signal_freebsd.go | 42 ++++++++++++++++++++++++++
 2 files changed, 109 insertions(+)
 create mode 100644 pkg/term/termios_bsd.go
 create mode 100644 utils/signal_freebsd.go

diff --git a/pkg/term/termios_bsd.go b/pkg/term/termios_bsd.go
new file mode 100644
index 0000000000..9acf9dfe15
--- /dev/null
+++ b/pkg/term/termios_bsd.go
@@ -0,0 +1,67 @@
+package term
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+const (
+	getTermios = syscall.TIOCGETA
+	setTermios = syscall.TIOCSETA
+
+	IGNBRK = syscall.IGNBRK
+	PARMRK = syscall.PARMRK
+	INLCR  = syscall.INLCR
+	IGNCR  = syscall.IGNCR
+	ECHONL = syscall.ECHONL
+	CSIZE  = syscall.CSIZE
+	ICRNL  = syscall.ICRNL
+	ISTRIP = syscall.ISTRIP
+	PARENB = syscall.PARENB
+	ECHO   = syscall.ECHO
+	ICANON = syscall.ICANON
+	ISIG   = syscall.ISIG
+	IXON   = syscall.IXON
+	BRKINT = syscall.BRKINT
+	INPCK  = syscall.INPCK
+	OPOST  = syscall.OPOST
+	CS8    = syscall.CS8
+	IEXTEN = syscall.IEXTEN
+)
+
+type Termios struct {
+	Iflag  uint32
+	Oflag  uint32
+	Cflag  uint32
+	Lflag  uint32
+	Cc     [20]byte
+	Ispeed uint32
+	Ospeed uint32
+}
+
+// MakeRaw put the terminal connected to the given file descriptor into raw
+// mode and returns the previous state of the terminal so that it can be
+// restored.
+func MakeRaw(fd uintptr) (*State, error) {
+	var oldState State
+	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(getTermios), uintptr(unsafe.Pointer(&oldState.termios))); err != 0 {
+		return nil, err
+	}
+	//	C.makeraw()
+	//	return &oldState, nil
+
+	newState := oldState.termios
+	newState.Iflag &^= (IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON)
+	newState.Oflag &^= OPOST
+	newState.Lflag &^= (ECHO | ECHONL | ICANON | ISIG | IEXTEN)
+	newState.Cflag &^= (CSIZE | PARENB)
+	newState.Cflag |= CS8
+	newState.Cc[syscall.VMIN] = 1
+	newState.Cc[syscall.VTIME] = 0
+
+	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, uintptr(setTermios), uintptr(unsafe.Pointer(&newState))); err != 0 {
+		return nil, err
+	}
+
+	return &oldState, nil
+}
diff --git a/utils/signal_freebsd.go b/utils/signal_freebsd.go
new file mode 100644
index 0000000000..65a700e894
--- /dev/null
+++ b/utils/signal_freebsd.go
@@ -0,0 +1,42 @@
+package utils
+
+import (
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func CatchAll(sigc chan os.Signal) {
+	signal.Notify(sigc,
+		syscall.SIGABRT,
+		syscall.SIGALRM,
+		syscall.SIGBUS,
+		syscall.SIGCHLD,
+		syscall.SIGCONT,
+		syscall.SIGFPE,
+		syscall.SIGHUP,
+		syscall.SIGILL,
+		syscall.SIGINT,
+		syscall.SIGIO,
+		syscall.SIGIOT,
+		syscall.SIGKILL,
+		syscall.SIGPIPE,
+		syscall.SIGPROF,
+		syscall.SIGQUIT,
+		syscall.SIGSEGV,
+		syscall.SIGSTOP,
+		syscall.SIGSYS,
+		syscall.SIGTERM,
+		syscall.SIGTRAP,
+		syscall.SIGTSTP,
+		syscall.SIGTTIN,
+		syscall.SIGTTOU,
+		syscall.SIGURG,
+		syscall.SIGUSR1,
+		syscall.SIGUSR2,
+		syscall.SIGVTALRM,
+		syscall.SIGWINCH,
+		syscall.SIGXCPU,
+		syscall.SIGXFSZ,
+	)
+}